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The pink pumice, and its thermal history, provides an insight into underwater eruptions.

Pink pumice key to revealing explosive power of underwater volcanic eruptions

The Alum Shale, here an example of a coastal deposit, consists of quartz and potassium Feldspar clasts as well as conspicuous Pyrite crystals (here: white) embedded in a clayey matrix. Scanning electron micrograph (scale: lower image edge length corresponds to approx. 40 μm). Credit: Schulz, GFZ

A rock with many perspectives

Photomicrographs showing anorthosites with 'correct' and 'wrong' proportions of chromite from the Bushveld Complex, South Africa. Credit: Wits University

Researchers unravel the mystery of non-cotectic magmatic rocks

Discovery of new rock property

Researchers describe unusual Mars rock

The team's experiments compared carbon's compatibility with the silicates that comprise the Earth's mantle (outer circle) to its compatibility with the iron that comprises the planet's core (inner circle) while under conditions mimicking the Earth's interior during its formative period. They found that more carbon would have stayed in the mantle than previously thought. Credit: Rebecca Fischer, Elizabeth Cottrell and Marion Le Voyer, Kanani Lee, and the late Erik Hauri.

Most of Earth’s carbon was hidden in the core during its...

Earth Sciences student research on metamorphic rock in North China

Between a rock and a hard place: Biologists unearth sandstone-excavating bees

For under-Earth exploration, engineers deepen understanding of rock stress

This study site was used by researchers to examine a portion of the Oman–United Arab Emirates ophiolite’s metamorphic sole. Credit: Tyler Ambrose

A closer look at the creation of a metamorphic sole

Rock samples indicate water is key ingredient for crust formation

Left: This is a digitalized 3D natural rock, Center: Spheres cloud representing pore topological features, Right: Persistence diagram.

Novel method for investigating pore geometry in rocks

Oldest rocks in Australia unlock secrets of the atmosphere

Turning CO2 into rock

Rocks Can Restore Our Climate … After 300,000 Years

Researchers Reveal New Rock Formation in Colorado

Geophysicist teams with mathematicians to describe how river rocks round

Carbon injection initiative supported by new research

Barium leaches directly from fracked rocks

Rock-dwelling microbes remove methane from deep sea

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